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HM Digital

HM Digital (PH-80) HydroTester Water pH Temperature Tester Meter Pen

Product Code PH-80

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NEW! The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.


  • Measures pH and Temperature
  • One-touch automatic digital calibration
  • Water resistant
  • Simultaneous temperature display
  • Sleek, lightweight design
  • Large LCD display
  • Automatic Temperature Compensation (ATC)
  • Auto-off function, data-hold function and low-battery indicator
  • Includes storage solution in a sponge embedded in a translucent cap
  • Factory Calibrated: The PH-80 meter is factory calibration to pH 7.0. The meter can easily and quickly be recalibrated with digital calibration to pH 4.0, 7.0 or 10.0 using the meter's simple one-touch process.
  • Includes a cap, batteries, storage solution and pH 7.0 buffer 



    pH Range: 0 - 14 
    Temperature Range: 1-80 °C; 33-176 °F 
    Resolution: 0.1 pH; Temperature resolution is 0.1 °C/F 
    Accuracy: +/- 0.2 pH; Temperature accuracy is +/-2%
    Calibration: Digital automatic calibration (one point) 
    Minimum EC/TDS: 10 µS/5 ppm
    Electrode: Glass sensor and reference tube electrodes 
    Housing: Water resistant 
    Power source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included) 
    Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) 
    Weight: 53.9 g (1.9 oz)